CA3144797A1 - Method for computing position of integer grid reference sample for block level boundary sample gradient computation in bi-predictive optical flow computation and bi-predictive correction - Google Patents
Method for computing position of integer grid reference sample for block level boundary sample gradient computation in bi-predictive optical flow computation and bi-predictive correction Download PDFInfo
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- CA3144797A1 CA3144797A1 CA3144797A CA3144797A CA3144797A1 CA 3144797 A1 CA3144797 A1 CA 3144797A1 CA 3144797 A CA3144797 A CA 3144797A CA 3144797 A CA3144797 A CA 3144797A CA 3144797 A1 CA3144797 A1 CA 3144797A1
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Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IN201931025013 | 2019-06-24 | ||
| IN201931025013 | 2019-06-24 | ||
| PCT/CN2020/097762 WO2020259507A1 (en) | 2019-06-24 | 2020-06-23 | Method for computing position of integer grid reference sample for block level boundary sample gradient computation in bi-predictive optical flow computation and bi-predictive correction |
Publications (1)
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| CA3144797A1 true CA3144797A1 (en) | 2020-12-30 |
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| Country | Link |
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| US (1) | US20220116624A1 (ko) |
| EP (1) | EP3981156A4 (ko) |
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| KR (2) | KR102660120B1 (ko) |
| CN (1) | CN114009041A (ko) |
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| CA (1) | CA3144797A1 (ko) |
| MX (1) | MX2022000141A (ko) |
| WO (1) | WO2020259507A1 (ko) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20220264146A1 (en) * | 2019-07-01 | 2022-08-18 | Interdigital Vc Holdings France, Sas | Bi-prediction refinement in affine with optical flow |
Families Citing this family (2)
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|---|---|---|---|---|
| CN115272423B (zh) * | 2022-09-19 | 2022-12-16 | 深圳比特微电子科技有限公司 | 一种训练光流估计模型的方法、装置和可读存储介质 |
| CN117834583B (zh) * | 2023-12-08 | 2024-08-30 | 南京智数科技有限公司 | 一种公辅车间的继电保护管理系统及方法 |
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| US6927783B1 (en) * | 1998-11-09 | 2005-08-09 | Broadcom Corporation | Graphics display system with anti-aliased text and graphics feature |
| JP4114885B2 (ja) * | 2005-10-31 | 2008-07-09 | 松下電器産業株式会社 | 画像符号化装置、方法、及びプログラム |
| WO2007091213A2 (en) * | 2006-02-10 | 2007-08-16 | Koninklijke Philips Electronics N.V. | Video processor comprising a motion estimator of the recursive type |
| JP2010161747A (ja) * | 2009-01-09 | 2010-07-22 | Toshiba Corp | サブピクセル生成装置及び方法並びに動き補償装置 |
| US9106910B2 (en) * | 2009-06-23 | 2015-08-11 | Orange | Method of coding and decoding images, corresponding device for coding and decoding and computer program |
| CN102204255B (zh) * | 2009-07-07 | 2014-09-17 | 松下电器产业株式会社 | 运动图像解码装置、方法和系统以及集成电路 |
| WO2011121716A1 (ja) * | 2010-03-30 | 2011-10-06 | 株式会社 東芝 | 動画像符号化方法、復号化方法、符号化装置および復号化装置 |
| US20120294370A1 (en) * | 2010-10-06 | 2012-11-22 | Yi-Jen Chiu | System and method for low complexity motion vector derivation |
| US9143799B2 (en) * | 2011-05-27 | 2015-09-22 | Cisco Technology, Inc. | Method, apparatus and computer program product for image motion prediction |
| US10536701B2 (en) * | 2011-07-01 | 2020-01-14 | Qualcomm Incorporated | Video coding using adaptive motion vector resolution |
| US9325991B2 (en) * | 2012-04-11 | 2016-04-26 | Qualcomm Incorporated | Motion vector rounding |
| US9998726B2 (en) * | 2012-06-20 | 2018-06-12 | Nokia Technologies Oy | Apparatus, a method and a computer program for video coding and decoding |
| TWI496453B (zh) * | 2012-10-05 | 2015-08-11 | Zhangjiagang Kangde Xin Optronics Material Co Ltd | A method of displaying a three - dimensional image in both directions |
| CN105338352B (zh) * | 2014-07-24 | 2019-04-19 | 华为技术有限公司 | 一种视频编码中自适应反量化方法及装置 |
| US10462480B2 (en) * | 2014-12-31 | 2019-10-29 | Microsoft Technology Licensing, Llc | Computationally efficient motion estimation |
| US10362331B2 (en) * | 2015-03-02 | 2019-07-23 | Hfi Innovation Inc. | Method and apparatus for intraBC mode with fractional-pel block vector resolution in video coding |
| US11153600B2 (en) * | 2016-02-08 | 2021-10-19 | Sharp Kabushiki Kaisha | Motion vector generation device, prediction image generation device, video decoding device, and video coding device |
| US20170244981A1 (en) * | 2016-02-24 | 2017-08-24 | Mediatek Inc. | Reconfigurable interpolation filter and associated interpolation filtering method |
| US11095893B2 (en) * | 2016-10-12 | 2021-08-17 | Qualcomm Incorporated | Primary transform and secondary transform in video coding |
| US10523964B2 (en) * | 2017-03-13 | 2019-12-31 | Qualcomm Incorporated | Inter prediction refinement based on bi-directional optical flow (BIO) |
| US10659788B2 (en) * | 2017-11-20 | 2020-05-19 | Google Llc | Block-based optical flow estimation for motion compensated prediction in video coding |
| CN116744018A (zh) * | 2017-08-29 | 2023-09-12 | Sk电信有限公司 | 视频编码方法、视频解码方法和传输比特流的方法 |
| US10728573B2 (en) * | 2017-09-08 | 2020-07-28 | Qualcomm Incorporated | Motion compensated boundary pixel padding |
| US10841794B2 (en) * | 2017-09-18 | 2020-11-17 | Futurewei Technologies, Inc. | Adaptive motion vector resolution |
| KR102595689B1 (ko) * | 2017-09-29 | 2023-10-30 | 인텔렉추얼디스커버리 주식회사 | 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장한 기록 매체 |
| US11736713B2 (en) * | 2018-11-14 | 2023-08-22 | Tencent America LLC | Constraint on affine model motion vector |
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2020
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20220264146A1 (en) * | 2019-07-01 | 2022-08-18 | Interdigital Vc Holdings France, Sas | Bi-prediction refinement in affine with optical flow |
Also Published As
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| JP7384939B2 (ja) | 2023-11-21 |
| MX2022000141A (es) | 2022-04-27 |
| WO2020259507A1 (en) | 2020-12-30 |
| JP2024009038A (ja) | 2024-01-19 |
| EP3981156A1 (en) | 2022-04-13 |
| KR102660120B1 (ko) | 2024-04-22 |
| JP2022540771A (ja) | 2022-09-20 |
| KR20220024877A (ko) | 2022-03-03 |
| WO2020259507A8 (en) | 2021-02-25 |
| BR112021026327A2 (pt) | 2022-03-03 |
| EP3981156A4 (en) | 2023-02-01 |
| AU2020308351A1 (en) | 2022-02-03 |
| US20220116624A1 (en) | 2022-04-14 |
| KR20240056654A (ko) | 2024-04-30 |
| CN114009041A (zh) | 2022-02-01 |
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